26120961210 has 32 divisors (see below), whose sum is σ = 66377973312. Its totient is φ = 6555848960.

The previous prime is 26120961199. The next prime is 26120961221. The reversal of 26120961210 is 1216902162.

It is an interprime number because it is at equal distance from previous prime (26120961199) and next prime (26120961221).

It is a super-2 number, since 2×26120961210² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25608276 + ... + 25609295.

It is an arithmetic number, because the mean of its divisors is an integer number (2074311666).

Almost surely, 2^26120961210 is an apocalyptic number.

26120961210 is an abundant number, since it is smaller than the sum of its proper divisors (40257012102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26120961210 is a wasteful number, since it uses less digits than its factorization.

26120961210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51217598.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 26120961210 in words is "twenty-six billion, one hundred twenty million, nine hundred sixty-one thousand, two hundred ten".